26 days after menstruation early pregnancy test paper weak positive may be caused by the test paper test error, may also be a short period of pregnancy performance, simple test paper weak positive can not determine the cause.
1. Test paper test error. 26 days after menstruation using pregnancy test paper to measure a weak positive test paper may be damp or not the correct use of test paper resulting in errors caused by false positive results, in addition to the hormone level changes before menstruation may also lead to the test paper to appear weakly positive combination, but also the next day to re-test or blood test blood human chorionic gonadotropin HCG to determine whether or not the pregnancy.
2. The pregnancy is short. Test paper test such as weak positive is likely to be pregnant, due to the short duration of pregnancy, the HCG content in the urine is low and caused by the weak positive results, generally every other day and then test will gradually become strong positive, or you can draw blood to check the blood HCG to confirm the diagnosis, if the diagnosis of pregnancy has been weak positive but also to be vigilant about whether the fetal termination or ectopic pregnancy and other causes.
Weak positive test paper can not be sure is pregnant, but also need to improve the blood HCG and other tests to clarify whether the pregnancy.